Today, we moved to a new GPG signing subkey used to sign certain Firefox and Thunderbird artifacts (namely Linux tarballs, RPM packages, checksums files) after an unencrypted copy of the … Read more
Mozilla remains committed to maintaining a secure, trustworthy, and transparent Web PKI. Today we are announcing the publication of Mozilla Root Store Policy (MRSP) version 3.1, effective July 1, 2026. … Read more
At Mozilla, we consider security to be a paramount aspect of the web. This is why not only does Firefox have a long running bug bounty program but also mature … Read more
The GPG key used to sign the Firefox release manifests is expiring soon, and so we’re going to be switching over to a new signing subkey shortly. The GPG fingerprint … Read more
Mozilla remains committed to fostering a secure, agile, and transparent Web PKI ecosystem. The new Mozilla Root Store Policy (MRSP) v3.0, effective March 15, 2025, introduces critical updates to strengthen … Read more
At Mozilla, browser security is a critical mission, and part of that mission involves responding swiftly to new threats. Tuesday, around 8 AM Eastern time, we received a heads-up from … Read more
Most of the web already supports HTTPS: In fact, 93% of requests made by Firefox are already HTTPS. As a reminder, HTTP over TLS (HTTPS) fixes the security shortcoming of HTTP … Read more
At Mozilla, we believe in an open web that is safe to use. To that end, we improve and maintain the security of people using Firefox around the world. This … Read more
To provide transparency into our ongoing efforts to protect your privacy and security on the Internet, we are releasing a security audit of Mozilla VPN that Cure53 conducted earlier this … Read more
Online security is constantly evolving, and thus we are excited to announce the publication of MRSP version 2.9, demonstrating that we are committed to keep up with the advancement of … Read more
The GPG key used to sign the Firefox release manifests is expiring soon, and so we’re going to be switching over to new key shortly. The new GPG fingerprint is … Read more
In accordance with the Mozilla Manifesto, which emphasizes the open development of policy that protects users’ privacy and security, we have worked with the Mozilla community over the past several … Read more